Walton; Richard S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Walton; Richard S..The latest application filed is for "medical timer apparatus".
- Walton; Richard S. - Tempe AZ
- Walton; Richard S. - Lancaster PA
| Patent | Date |
|---|---|
| Medical timer apparatus Grant 4,588,303 - Wirtschafter , et al. May 13, 1 | 1986-05-13 |
| Digital watch Grant 4,320,478 - Daniels , et al. March 16, 1 | 1982-03-16 |
| Digital watch Grant 4,245,337 - Daniels , et al. January 13, 1 | 1981-01-13 |
| Liquid Crystal Display Circuit Grant 3,760,406 - Walton September 18, 1 | 1973-09-18 |
| Solid State Timepiece Grant 3,707,071 - Walton December 26, 1 | 1972-12-26 |
| Solid State Timepiece With Liquid Crystal Display Grant 3,701,249 - Bergey , et al. October 31, 1 | 1972-10-31 |
| Electronic Watch Grant 3,676,993 - Bergey , et al. July 18, 1 | 1972-07-18 |
| Solid State Watch Grant 3,672,155 - Bergey , et al. June 27, 1 | 1972-06-27 |
| Electronically Controlled Timepiece Using Low Power Mos Transistor Circuitry Grant 3,664,118 - Walton * May 23, 1 | 1972-05-23 |
| Piezoelectric-fluid Electromechanical Transducer Grant 3,596,116 - Walton July 27, 1 | 1971-07-27 |
| Solid State Timepiece Having Electro-optical Time Display Grant 3,576,099 - Walton April 27, 1 | 1971-04-27 |
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